MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The ML classifier strongly flagged this PDF as malicious. The primary attack vector appears to be a link farm designed to lure users into clicking on malicious URLs, disguised as book downloads.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.com/pify?keyword=cornerstones+of+cost+management+3rd+edition+pdf
- http://files.lockmangenetics.com/uploads/1/3/0/7/130775383/nizejab.pdf
- http://files.fruitageofthefield.com/uploads/1/3/1/0/131071145/borolafed_vumusoxav_kigodusixulome.pdf
- http://files.reformanortheast.org/uploads/1/3/1/4/131453450/tokunumanan_vazuduluwig_pevejajip.pdf
- http://files.jenaforryaneyoga.com/uploads/1/3/1/6/131606111/5210671.pdf
- http://files.tntelitesportsacademy.com/uploads/1/3/1/3/131398006/xolugipasebod-romakobikesakir-kujeputufox.pdf
- https://cdn.shopify.com/s/files/1/0428/5880/7455/files/seveno.pdf
- https://cdn.shopify.com/s/files/1/0428/7388/0739/files/32757134962.pdf
- https://cdn.shopify.com/s/files/1/0433/7578/8190/files/24832765279.pdf
- https://cdn.shopify.com/s/files/1/0432/0044/6626/files/dodogogiwomawufaw.pdf
- https://cdn.shopify.com/s/files/1/0429/6717/1223/files/45733527630.pdf
- https://cdn.shopify.com/s/files/1/0436/0699/9203/files/bubemevixozogimozul.pdf
- https://cdn.shopify.com/s/files/1/0431/0358/4409/files/melepozowixadogugiximi.pdf
- https://cdn.shopify.com/s/files/1/0428/7237/3414/files/lezodezolenuvudoj.pdf
- https://cdn.shopify.com/s/files/1/0438/6367/0939/files/77919762180.pdf
- https://cdn.shopify.com/s/files/1/0437/5491/3943/files/perububikuna.pdf
- https://cdn.shopify.com/s/files/1/0437/5350/4917/files/pokemon_world_map_editor.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e39.binb6b9c4f7f57ccaf69dfa0f3867e58c085fa4fbfaa2d5d01978cb5a83266dfd5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E39 | 5512 bytes |
font_01_sfnt_off000080de.bin769c1e2fe49d1badcd29c74181e7c5862fdd462637aa2430a363e96d6ad272fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80DE | 10644 bytes |
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